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MacAlpine Hills 02854
Basic information Name: MacAlpine Hills 02854
     This is an OFFICIAL meteorite name.
Abbreviation: MAC 02854
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 0.14 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 28(1)  (2005)  CM2
Meteoritical Bulletin:  MB 89  (2005)  CM2
MetBase:  v. 7.1  (2006)  CM2
Recommended:  CM2    [explanation]

This is 1 of 541 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 14712
Writeuphelp
Writeup from AMN 28(1):
Sample No.: MAC 02779; MAC 02854
Location: MacAlpine Hills
Field No.: 14251; 14712
Dimensions (cm):   0.5x0.5x0.75
0.75x0.5x0.5
Weight (g): 0.301; 0.140
Meteorite Type: CM2 Chondrite


Macroscopic Description: Kathleen McBride
The exterior of these carbonaceous chondrites ranges from black to brown with rusty areas. Some metal is visible.

Thin Section (,2) Description: Cari Corrigan, Tim McCoy
The sections of these very small meteorites consist of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa1-39, with a peak at Fa1-3. The matrix consists dominantly of an Fe-rich serpentine. The meteorites are CM2 chondrites.


MAC 02779 - Cross-Polarized Light MAC 02779 - Plane-Polarized Light MAC 02854 - Plane-Polarized Light
MAC 02779
Cross-Polarized Light
MAC 02779
Plane-Polarized Light
MAC 02854
Plane-Polarized Light
Data from:
  MB89
  Table A1
  Line 571:
Origin or pseudonym:Bottom Lip
Mass (g):0.14
Class:CM2
Weathering grade:C
Fayalite (mol%):1-2
Comments:02779 pairing group
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 28(1) (2005), JSC, Houston
Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Recommended::   (84° 18' 50"S, 159° 45' 32"E)

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)
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